Due to a planned power outage, our services will be reduced today (June 15) starting at 8:30am PDT until the work is complete. We apologize for the inconvenience.
Vol. 2 consists of plates and Notice historique sur la vie et les travaux de Léon Foucault par M. Lissajous (p. 1-18).
For print-disabled users
on July 7, 2009